The precious stones are one of the vast and high profit potential of national income for many countries. Nowadays exploration, processing and exports of gemstones play important role in the economy of the many countries such as South Africa, Burme, Thailand, China, India, the United States and so on. So omitting this industry from these countries is equivalent with excluding oil industry in our country. Unfortunately in spite of having high quality of some gemstones such as Turquoise and Demantoid Garnet in Iran, the substantial amount of jewels are imported illegally. This is a central threat for enhancement of this industry. Having several thousand years heritage of art and Islamic culture are the important facts for developing this industry in Iran. In this paper the precious stones industry is analyzed. Finally by implementing the SWOT method the main strategies needed to renovate and ameliorate this industry in the country are presented.